adminrequest.java

sea是一个基于seda模式的实现。这个设计模式将系统分为很多stage。每个stage分布不同的任务（基于线程池）。通过任务流的方式提高系统的效率。

/*
 * Copyright (c) 2003, The Regents of the University of California, through
 * Lawrence Berkeley National Laboratory (subject to receipt of any required
 * approvals from the U.S. Dept. of Energy). All rights reserved.
 */
package gov.lbl.dsd.sea.nio.event;

/**
 * Administrative request to an agent.
 * 
 * @author [e-mail]
 * @author $Author: hoschek3 $
 * @version $Revision: 1.4 $, $Date: 2004/06/17 18:34:39 $
 */
public abstract class AdminRequest {
	
	private AdminRequest() {} // not instantiable

	/**
	 * Requests an agent to start running.
	 */ 
	public static class Start extends AdminRequest {}
	
	/**
	 * Requests an agent to shut down.
	 */ 
	public static class Stop extends AdminRequest {}
	
}